{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["engineering feature", "enabling technology", "manufacturing standard", "biomedical", "machine or equipment", "machanical property"], "input": "The geometric features were assessed using transverse section macrographs and the effects of different patterns and frequencies of oscillation on the arc characteristics , metal transfer and weld pool behavior during the layer deposition were investigated using high speed and welding cameras ."}
{"engineering feature": [], "enabling technology": [], "manufacturing standard": [], "biomedical": [], "machine or equipment": [], "machanical property": []}